Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

62 questions · 73 findings · 26 reviews · Anaesthesia

No studies found 5 · 6.8%GRADE not reported 4 · 5.5%Very low 21 · 28.8%Low 28 · 38.4%Moderate 12 · 16.4%High 3 · 4.1%